Home / 9,181.79-12,670.14-5,203.52

Finding the Fourth Proportional to 9,181.79, 12,670.14 and 5,203.52

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Solution

The fourth proportional to 9,181.79, 12,670.14 and 5,203.52 is: 7,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.79 : 12,670.14 = 5,203.52 : x
  2. Step 2: Convert to fraction form
    9,181.79/12,670.14 = 5,203.52/x
  3. Step 3: Cross multiply
    9,181.79x = 12,670.14 × 5,203.52
  4. Step 4: Simplify right side
    9,181.79x = 65,929,263.54
  5. Step 5: Solve for x
    x = 65,929,263.54/9,181.79
  6. Step 6: Final answer
    x = 7,180.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.